Features
Writing Ink
Is Glucose Unwholesome?
The Encouragement of Inventions--With a Reservation
The Sun Spot Maximum
Another New Disinfectant
Improved Hand Hoe
Pencil Holder and Scissors
New Adjuster for Mirror and Picture Frames
New Ice Crusher
Convertible Traveling Cap and Scarf
Cooking by Steam
International Geographical Congress
Electro-Metallurgy
Miscellaneous Inventions
Improved Wagon Brake
Apparatus for Decorating Pottery
Weaver Birds
Botanical Notes
Experiment on the Lake of Geneva to Ascertain the Velocity of Sound in Water
Geological Survey of New Jersey
Mechanical Inventions
Communications Received
Departments
- Departments
Recent Inventions
New Inventions
Business and Personal
Notes and Queries
Index of Inventions
New Books and Publications
